Glass-cutting device.



R. L. PRINK. Y GLASS CUTTING DEVICE. APPLICATION FILED APR.18,1907.

@31,65% Patented May 11, 1909.

2 SHEETS-SHEET l.

C 0 l O D O I A "Lizzy mmm am R. L. FRINK. GLASS CUTTING DEVICE. A'PPL'IGATIQH FILED APR.18.1907.

,Patented May 11, 1909.

SHEETS-SHEET 2.

onrrnn errar s a'raur orarie ROBERT L. FRINK, OI" CLEVELAND, OHI.

GLASS-comino DEVICE.

Specification of Letters Patent.

Patented May 11, 1909.

Application led April 18, 1907. Serial No. 368,815A.

Aglass cutting devices,` that is to devices for cutting or squaring sheet glass as in the n'ianufaoture of window and plate glass.

Said invention has as its object the. provision of neans whereby the sheets may be much nlore ra idly eut while at the sagit-e ti-ne measurab y decreasing the loss attendant to breakage and insuring the cutting;r of the. sheets absolutely square or at least as square as the accuracy of the table and straight edge in use will permit.

To the accomplishment of these and related ends, said invention consists of means hereinafter fully described and particularly pointed out in the claims.

The annexed drawings and the following' descri )tion set forth in detail certain means embodying the invention, such disclosed means constituting, however, but one of various mechanical forms in which the principle of the invention may be used.

in said annexed drawings 1-Fg`ure 1 is a plan View of the glass table o1' board, such as is employed in this connection, together With a straight edge for use thereon, said straight edge embodying the inprovedeonstruction constituting my invention; Fig. 2 is a vertical transverse cross-section of said straight edge and appurtenant parts taken on the line 2 2, Fig. Kl; Fig. 3 is a plan view on an enlarged scale of the straight edge r by itself with s'uch appurtenant parts rcrroved therefroz-n;` Fig. 4 is a transverse cross-sectihn ol'l said straight edge taken on the line 4 4 of Fig. 3; and Fig. 5 is a frag- ;.zental section at right angles to that of Fig. 4. l

1t is Well known fro-1i the difficulties that are attendant upon the 4iicthods at present in vogue in glass factories for cutting thc sheets of glass as they come from the llattcning and annealing chambers. that such methods are la'wentably dciicient in certain particulars. ln the first placi` thc art of the tally projecting glass cutter is one quite difficult to acquire since the hnack of usingr the glaners dia- Amond propcrl)v and judging of the proper vertical anglo at which it should be held requires considerable practice. .ind even in the practiced hand there is always the liaf bility present of a slip or wis-eut that will ruin an entire sheet of glass or at least cause a material depreciation thereof in value. This liabilit)v is present not nierely in the hand-ling ol the tool but in the holding ofthe stra-ight edge which is utilized to guide said' tool, not an infrequent cause of trou-ble with employees in the cutting departrrfent arising from controversy as to whether a sheet that fails to true up has been wasted owing tothe employees carelessness or because of an inaccurateli-v built table and straight edge.

' In the'glass cutting device here presented I utilize a board o r table A that in alle'sseny tial particulars is thesame as that coinmoniy einpoyed. Such table is ordinarily composed of well seasoned lumber, beingr made. up of narrow strips so as to always remain true., and is ruled from side to sideboth iva-ys, dividing the board into even inches or where desired into fractions of inches. At the top of the board is provided a series of perpendicular pins (1 one for each inch an( at the li l) bottoni a corresponding series of horizonpins d. For use upon such table or glass oard there is provided a.

straight edge B to the details of Construction of which particular attention is invited.

lits general features, however, sueh straight edge B, alike with the table, resemblesthose heretofore employed in this connection. Thus its length is such as to adapt it .to lie transversely of the board; it is provided at one end with a handle b permitting it to be readilvgrasped by the. operator; and at the. opposite end it bears a Wedge shaped pointI prcferabl" f niet-al that is designed toA be inserted. het een adaeent pairs of the series of I-)erpendiculm' pins o. The other or handled end is provided with a depending lug not shown that is designed when such. Wedge-A shape point is thus inserted to engage the corrcspoinling horizontal pin a on the lower side of the ta ble. By engagement of the irespectivc ends of the straight ed e with such pins after the fashion deseribei the proper alinenicnl thereof is assured, that is so long as thc operator retains the rule firmly in position on the pins. Obviously however, the slightest release of his grip'on thedi-andle,

lll() 65@ (anni edge of the rule, would he disastrous to th i i sheet being out, :ind this is one of the dille eulties Which I im seeking to overcome.

ln my improved rule l forni the lisse thereof7 of inet-al, preferably Of aluminum for the sake olf lightness. Sueh bese is provided with a. eontinuous upwardly turned .flange b' along both edges and :ieross its ends. Mounted on the upper side of the rule within such .flange b2 is si. Wooden strip B Figs. 2 and 4, formed with n central raised portion b3 that terminates short of the ends of the bese B,

b so es to lie flush with the` surface ol' the seine is :i strip 'b4 of oopperor like eonducting materiel, ano secured to the outer edge of such raised portion is :in endless rack b5. The hitter is preferably ofthe outwardly inelined or beveled form shown, Figs. 2 and 4.

vSlidably resting upon the aluminum base of the rule but insulated therefrom by :i strip or shoe C of fiber or other suitable nuiterizil is i permanent me net (ll'ietween the poles of w iieh is i'otfitnb y mounted :in :irn'isture thus constituting thel structure s sinn ll motor llpon the lower end of i 'the shaft c of sue i motor is mounted :i bevel pinion e that engages the' reel: if here deof the magnet type'.

scribed :is extendingentirely about the eentrel portion 63 of the rule. A eontiiet meinber e2 mounted in the end of fiher .strip (l :idjeeent to the ernieture C is designed to forni electrical connection between'one armature brush c3 and the aluminum hase of the rule. A second spring ressed eonteet member (il suitably mounted) on the opposite side of the armature is adapted to :il'l'ord similar eonneetion between the other armature brush fi and the eonduetor strip b4. Securely ettzielied to the l'riime structure provided by magnet C and the niotoi' hearings supported thereinv is the hiss euttiiur tool, ro ier, l).

. l Y l l 'lhis consists simply of :i heise iiioiiiher o' vertieslly secured to sueh lriiiiie so is lo over-- hang the edge olh the ruh. ln the lower oiid ol this member, pivoted about n rertirzil exisv is s second member d to which in turn pivoted on s transverse exis :i iiiiiiihi-i d2. lin the letter is mounted the diiuiioiid d". From this eonstruition it will he sewn that the cutting point of the diuiiioiid een he dis- 'unetion sind at the seine time the distance between sueh point end the edge ol' the rule can he regulated to eut e sheet of eXzu-tlythe proper or desired width.

The inotor (l2 is connected with e suite` source of electric-el energy such es n hattery through the connections in the rule partly described ebowl rind other suitohleeoniieetioiisiii the trible now to be set forth. hus

rule, which is eoiiiieeted with one armature GV brush through cont-nrt member e?, and. one

,pole of' the battery 'is had througi ii/'edge ineii'iher d sind pins (L which, inserted they ure in the insulating Wooden top ot the table, ere nevertheless suitably' eonneeted together to formv one lend. or conductor from the battery. Strip b4, Whieh it will he 4re einN liered is connected with the opposite bri' of the motor armature, is designed to he neeted with the other pole of 'the buttery through :i conductor b in the handle eiid of the rule that terminates in n Contact member 'v b? zid'apted to engage pins o', when the p g straight edge or rule is held. properlyv in posior rule proper." Inset in such rziised portion tien upon the hoord but et no other time. Such pins a. nre connected withthe other pole ol the hattery in the sii-ine lishioii iis sire erative pertsof in v .improved ghissoutting device it u'ill be seen that the upwardly turned thinge b2 ot the straight edge baise l forms in effec-t ii truck on Whieh the support ing freine or magnet of the' motor rests :ind :dong which itis adapted to glide :is mak-engeging pinion c is rotated. Thus the ghiss cutting tool D is drawn along the edge ot ihe rule and parallel therewith. ln order het this tool may be transferred from one side to the other of the rule es the motor fis-nie slsings around the respective ends ol the rule upon eoinpletion ot the straight :ir f nient just described, the ends, or 'to disposed portions ot the flange hi above the level ol the laterally i tions thereof, see Figs. -t und here added that the meh f, :as We. i pluion c ot llu` motor I lint engages therewith.

. :ire desirnhlr inzide ol" Vliber thus rondufxii i lo the smooth zuid iioiseless operation oi the motor.

l :iliiieiiieiit oll thix i-ul bring inode liv ihrdiiinosed so :is to most etleetiveiy perlo'rin its the olerlrii'ol connections lor the molor il electrical ronneiirtioii between the hase ol' the j mlb" Positioned upon iho hoard for the uml:-

ing of a straight and true cut, and this irres ective of the length ot the sheet being hanl t ed. Furthermore, it, al'tcr the correct position, has been once thus assumed, the straight edge is withdrawn accidentally-or otherwise from such position, tlieelectrical connection between the nfotor and the battery will beinstantly broken and the cutting cease. Vl'itli this device in use,in other words, the diliiculties at tendant upon the. old n'iethod ot cutting glass largely disappear, and with such disappearance is secured greater ease and rapidity of operation. The operator is not required to stretch himself in an uncon'ifortable' position over the cutting table but can conduct the whole operation .from his station at the handle end of the straight edge. The dependence. of tlie manufacturer upon skilled labor now existing is likewise eliminated since a boy can obviousl)- handle the device above described just. as readily and with the saine degree ot' accuracy as a practiced glass cutter Other modes of applying the principle of my invention may be employed instead of the ontl explained, change being nitide as re gards the mechanism 'herein disclosed, provided the means stated by anyY one of the following claims or the ediiiiz-iilent of such stated means be employed.

I therefore particularly Ypoint out and distiiictlyclaim as my inventioii:-

1. The combination with a suitable support., oi" aguide member t'or use thereon, and glass cutting means 'mounted upon said guide member, the operation ot' said. means being dependent upon the position ol' said member.'

2. The combination with a suitable support, of a guide member i'or use thereon, and self-propelling glass cutting means mounted upon said guide member, the operation of said means being dependent upon the position of said member.

3. The combination with a suitable support, of a guide member tor use thereon, and

"electrically operable glass cutting means mounted upon said guide member, the operation of said means being dependent upon the position otsaid member.

4. The combination with a suitable support., ot a guide member tor use there'on,'a

glass cutting tool movably mounted upon .'said'guide member, electrical means for actuating said tool, and connections for said actuating means, said connections being 1 complete only when said guide member is properlyP alined upon Asaid support.

'l`he conibinatioii with a. suitable support, ot a guide member lor-use thereon, a glass cutting toolniovabliY mounted upon said guide member, electrical means for actuatingr said tool, connections tor said actuating means, said connections being complete only when said guide member -isgvproperly alined upon said support, and independent nieans for controlling said connections.

6. The. vcombination of a glass table, a straight edge for use thereon, means on said table tor properlyy alining said straight odge, a glass cutting tool niovably mount-ed upon said straight edge, electrical means for actuating said tool, and coiiiiections for said actuating means, said connections being complete only when said straight edge is properly alined.

7. The combination of a glass table, a straighty edge for use thereon, means on said tabletor properly alining said straight edge, a glass cutting tool nioyably mounted upon said straight edge., an electric motor for actuating said. tool, connections for said motor, said connections being complete only when said straight edge is properly alined, and independent means torcontrolling said connections.

8. The combination of a suitable support, a straight edge for use thereon, a frame movable along said straight. edge, a glass cutter borne by saidf frame, and self-propelling means t'or said frame adapted thus. to more the saine.

t). 'the combination of a suitable support, a straight edge for use thereon, a trame morable. along said straight edge, a glass cutter' 1t). The combination lof a suitable support, l

a straight edge for use thereon, said stizaight edge bearing a rack, a rframe mounted upon said straight edge and movable therealong., a glass cutter borne by said frame, and an electric motor mounted in said frame and enga-ging said rack thus to move said frame.

11. The combination of a glass table, a straight edge for use thereon, said straight edge bearing a rack on its u per face, means on said .table for proper y alining said straight edge, a fra-ine mounted upon said straight edge and movable longitudinally therealong, a glass cutter borne by said frame, and an electric inotor'mounted in said frame and engaging said rack to move said traine.

l2. The combination of a glassjtable, a

straight edge for use thereon, said straight edge bearing a rack on its u per face, means on said table for proper y aliningi' 4said straight edge, a frame mounted upon said straight. edge and movable longitudinally therealong, a glass cutter borne by said lrame, an electric motor mounted in said frame. and engaging said rack to move said traine along said straight edge, and electrical connections on said table and straight edge ler said motor, said connections being coinplete only when said straight edge properly alined.

Sirf-iight for "thereon, sind straight edge l'euiiivj` a nick'on ils unpei' face, means on sain table. im* prone/i' y dining said. straight edge, n fnnne nioimfied upon sind stinigh edge 'iz-lovable, longitudinally thorealong, L glass cuite? boi-ne loy sind funnel, an oleogrio inni/o1 mounted in Suid fiume, und engaging sind mol; to move sind f'iane along stmiglil edge, electrical oonnootiions on sind table und straight edo@ for sind nioten', sind connections being complete onlyv when Said stinig'l'it edge is properly nlinod, unil meansboi i by 'the latter for in deponiilently controlling sani connections,

ll. The oolnlunzilinn of n gloss Lz'ible, n sii-night @dife for use 'iln-ieoxy will stl-nigh! "D i'noe, menrisjon sind lulde adapted to eiigzigo sind sti'ziiglx; elle@v to pioperlx aline 1 lie suine. u finnie comprising L pei'nninvnti muguet mounted upon :mid string-lit elige mul Inov- :Llile longiludinnllv liei'enlong, n glu-ss cutter rhorno by sind fi'zuno, n motor armature rom- -:ibly mounted in sind fnnne und provided with :i `pinion ongaiginlf sind mok, electric-nl connections in sind mole und straight edgey l l l l l i i l l i l l i l i l l i l r l i L sirnight edge for use thereon, a member mounted upon said sti-aight, edge so as hobo niovulile therealong, and a glass cutting tool bone, "Dy sind member, said tool being iota;- tnlwle, about a substsintially Vertical axisnnd being nngula'rly adjustable with espoot t0 suoli axis. I

l?. The combination of n glasstnble, n. straight edge, for use'thei'eon, said straight edge bearing :i mok on its u )pei ffice, means on sind table for propel-'y dining said sfzznglu; edge, a frame mounted upon sind straight edge and Inomble longitudinally tlierenlong, n glass cu'rei' borne, by sind liinne. :nul driving menus borne 'by' said frame unil engaging said mok to thus nuwe f said fijnine. mlm bein ng un midline; muli on its upper"y for Suid. motor miniature, sind connections be- 1 ing complete only when :mid straight edge is pi'opei'ly ulineil, und. means borne luy the lutter for innependently eoni'oliing sind Qonnvotions.

l5. The combiinf'ion of :i ginesvible, :i siaiglxt edge. for thereon, :i member mounted upon, sind Siinigli odge so as to be movable lliel'eulong, und a, glass cutting 'tool hoi-ne by'naiidmei'nl e1,s;n l tool being Jivotnl nliou u subsnntizilly 'f/iri'iml axis nul :iliout :in axis nngulin therein.

'16. The coinlinmion oll n glu lnblo, n.

iR. giusy-culling' devise, oonipiising n simiglii edge, u nueinliei movable lluifenlongj.

nuitei' horno by said nneinbei', und Selfpi'opeluu;r means For sind member :ulupted thus to move the sinne,

1). A glass-cutting device, comprising :i straight odge, u, member movable tlieiezilong, n glu-ss Cutter borne by sind melmliei', und. an electric, motor mouned on said. member and ei'ipeiutve willi such s'miiglit edge 'illus to move sind member.

2U, A glnsnoui-iug device, ooinp'isiiw ay iniglxly edgey bearing a, ruoli, n nlnm 1er inouued upon suoli Straight edge und ,movnlnle, -lieienl glnsu out borne by sind nienibei, unil :nl eleotric motor mounted on sind inonilioi"and engaging Saul moli thus lo move sind ineinlni'.

Sig-neil lof: nie ilus lli ilziy' of April 1907.

HUBERT l), vH-NKi i u. u il idem gltiested inf-v l). 'l`. lixvins, ilxo, i", (linnniu. 

